This article reviews and summarises the design differences between the Technics EAH-AZ60 and EAH-AZ40 True Wireless earbuds. We have reviewed the pros and cons of the design for Technics EAH-AZ60 earbuds in an earlier article, and the drawbacks are basically the same.
Read more: Technics EAH-AZ60 True Wireless earbuds Pros and Cons
Also read: Jabra Evolve2 Earbuds vs Jabra Elite 7 Pro Earbuds
Differences between Technics EAH-AZ60 and AZ40 True Wireless earbuds
| Tech Specs | Technics EAH-AZ60 | Technics EAH-AZ40 |
| Physical Specifications | ||
| Size (each earbud) | 25.4 x 22 x 28.6mm | 26 x 22 x 24mm |
| Weight (each earbud) | 7g | 5g |
| Audio (Speaker) | ||
| Driver | 8mm | 6mm |
| Driver Type | 8mm drivers housed in an acoustic chamber and delivers through a harmonizer | 6mm drivers housed in an acoustic chamber and delivers through a harmonizer |
| Audio Codec | SBC, AAC, LDAC | SBC, AAC |
| Active Noise Cancellation (ANC) | Dual Hybrid ANC | No |
| Microphone | ||
| Microphone per earbud | 4 | 3 |
| Features | One feedforward mic, one feedback mic, one voice detection mic and one talk mic. JustMyVoice technology. | Two talking microphones and one voice detection microphone. JustMyVoice technology. |
| Fit and Comfort | ||
| Ear Gel | 7 sizes | 4 sizes |
| Battery Life | ||
| Music Time (ANC On) | Approx. 7.0 hours (Noise cancelling: ON, AAC) Approx. 7.5 hours (Noise cancelling: OFF, AAC) Approx. 5.5 hours (Noise cancelling: ON, SBC) Approx. 6.0 hours (Noise cancelling: OFF, SBC) Approx. 4.5 hours (Noise cancelling: ON, LDAC) Approx. 5.0 hours (Noise cancelling: OFF, LDAC) | Approx. 7.5 hours (AAC) Approx. 5.5 hours (SBC) |
| Total Time + Charge Case | Approx. 24 hours (Noise cancelling: ON, AAC) Approx. 25 hours (Noise cancelling: OFF, AAC) Approx. 22 hours (Noise cancelling: ON, SBC) Approx. 23 hours (Noise cancelling: OFF, SBC) Approx. 16 hours (Noise cancelling: ON, LDAC) Approx. 17 hours (Noise cancelling: OFF, LDAC) | Approx. 25 hours (AAC) Approx. 19 hours (SBC) |
| Standby Time | 9h (NC On) | 19h |
| Fast Charge | 15min for 70min (AAC) or 45min (LDAC) | 15min for 90min (AAC) |
| Earbud Battery | Li-Polymer 85mAh/3.7V | Li-Polymer 55mAh/3.7V |
| Charging Case | ||
| Weight | 45g | 30g |
| Charging Case Battery | 650 mAh | 450 mAh |
| Price | ||
| Price | $216 | $144 |
Key Differences
Out of all the differences between the AZ60 and AZ40, the following summarises the major differences:
Noise cancellation and microphones[tie_index]Noise cancellation and microphones[/tie_index]
We would have assumed that any earbuds with 3 microphones for each bud include noise cancellation with a feed-forward and feedback microphone. This is not the case for Technics EAH-AZ40, which has only one microphone less than the AZ60, and yet the AZ40 does not have any noise cancellation.
Instead, the Technics EAH-AZ40 has two talking microphones on each earbud, while the third microphone is for voice detection, which is the same as the EAH-AZ60. This baffles us, as the earbuds price is still quite expensive at $144 with no noise cancellation.
LDAC codec support
The lack of LDAC codec support for the Technics EAH-AZ40 is expected for a lower-tier model compared to the higher-tier AZ60 with the feature. SBC and AAC are the most common codecs supported by almost all earbuds.
Battery life
In fact, the battery life for the Technics AZ40 is about the same as the AZ60 without the noise cancellation (NC) feature. The AZ60 would have shorter battery life when playing the LDAC codec but not the AZ40, which only supports AAC and SBC.
Sound drivers
The AZ40 has a more minor 6mm driver than the AZ60’s 8mm driver, whereas all else in the sound driver design, including the acoustic chamber and harmonize, remains the same. A larger sound driver on the AZ60 should deliver a stronger and clear bass than the AZ40. For more information about the harmonisation, please read the Technics EAH-AZ60 Pros and Cons article.
Read also:
Differences Between Jabra Elite 7 Pro vs Jabra Elite Active 85t
Best Wireless Headset or Headphones With Mic
Compare JBL Reflect Flow PRO Vs Apple Airpods Pro
Compare Jabra Elite 7 Pro vs Elite 7 Active Earbuds
Full comparison between Technics EAH-AZ60 and AZ40 True Wireless earbuds
| Tech Specs | Technics EAH-AZ60 | Technics EAH-AZ40 |
| Release date | Oct 2021 | Oct 2021 |
| Physical Specifications | ||
| Size (each earbud) | 25.4 x 22 x 28.6mm | 26 x 22 x 24mm |
| Weight (each earbud) | 7g | 5g |
| Earbuds IP Rating | IPX4 (sweat and water splash) | IPX4 (sweat and water splash) |
| Control Type | Touch | Touch |
| Color | Black, Silver | Black, Silver, Rose Gold |
| Audio (Speaker) | ||
| Driver | 8mm | 6mm |
| Driver Type | 8mm drivers housed in an acoustic chamber and delivered through a harmonizer | 6mm drivers housed in an acoustic chamber and delivers through a harmonizer |
| Audio Codec | SBC, AAC, LDAC | SBC, AAC |
| Active Noise Cancellation (ANC) | Dual Hybrid ANC | Dual Hybrid ANC |
| Transparency (Hear Through) | – Attention Mode for the human voice – Natural Ambient Mode for surrounding sound. | – Attention Mode for human voice – Natural Ambient Mode for surrounding sound. |
| Features | Supports LDAC™ high resolution wireless audio in 96 kHz/24 bit LDAC when connected by Bluetooth®. | |
| Microphone | ||
| Microphone per earbud | 4 | 3 |
| Wind Noise Reduction | Yes | Yes |
| Features | One feedforward mic, one feedback mic, one voice detection mic and one talk mic. JustMyVoice technology. | Two talking microphones and one voice detection microphone. JustMyVoice technology. |
| Fit and Comfort | ||
| Pressure Relief/Vent | No | No |
| Mono Mode (Use either earbud) | Yes (limited controls) | Yes (limited controls) |
| Ear Gel | 7 sizes | 4 sizes |
| Ear Wings | No | No |
| Auto Play/Pause | No | No |
| Connectivity | ||
| Bluetooth Version | 5.2 | 5.2 |
| Bluetooth Profile | A2DP, AVRCP, HSP, HFP | A2DP, AVRCP, HSP, HFP |
| Operating Range | 10m | 10m |
| Wireless Connect w/USB-A Dongle | No | No |
| Multi-point Connection | 2 | 2 |
| Sensors | – Voice detection sensor | – Voice detection sensor |
| Voice Assistant | Alexa, Siri, Google Assistant | Alexa, Siri, Google Assistant |
| Battery Life | ||
| Music Time (ANC On) | Approx. 7.0 hours (Noise cancelling: ON, AAC) Approx. 7.5 hours (Noise cancelling: OFF, AAC) Approx. 5.5 hours (Noise cancelling: ON, SBC) Approx. 6.0 hours (Noise cancelling: OFF, SBC) Approx. 4.5 hours (Noise cancelling: ON, LDAC) Approx. 5.0 hours (Noise cancelling: OFF, LDAC) | Approx. 7.5 hours (AAC) Approx. 5.5 hours (SBC) |
| Total Time + Charge Case | Approx. 24 hours (Noise cancelling: ON, AAC) Approx. 25 hours (Noise cancelling: OFF, AAC) Approx. 22 hours (Noise cancelling: ON, SBC) Approx. 23 hours (Noise cancelling: OFF, SBC) Approx. 16 hours (Noise cancelling: ON, LDAC) Approx. 17 hours (Noise cancelling: OFF, LDAC) | Approx. 25 hours (AAC) Approx. 19 hours (SBC) |
| Standby Time | 9h (NC On) | 19h |
| Fast Charge | 15min for 70min (AAC) or 45min (LDAC) | 15min for 90min (AAC) |
| Earbud Battery | Li-Polymer 85mAh/3.7V | Li-Polymer 55mAh/3.7V |
| Charging Time 0-100% (Buds) | 2 hours | 2 hours |
| Sleep Mode (auto power off) | No | No |
| Charging Case | ||
| Size | NA | NA |
| Weight | 45g | 30g |
| Connector Type | USB-C | USB-C |
| Charging Case Battery | 650 mAh | 450 mAh |
| Input Power | 5V 0.5A | 5V 0.5A |
| Qi-Certified/Wireless Charging | No | No |
| Battery Status Light | Yes | Yes |
| Charging Time 0-100% (Case) | 2.5 hours | 2.5 hours |
| Wireless Charging Time | NA | NA |
| Price and Warranty | ||
| Warranty (years) | 1 | 1 |
| Price | $216 | $144 |
